CITY REPORT AZ 2 HEALTH VIOLATIONS

Chino Valley, AZ: PFAS Found in Water - Home Safety 50/100

1 ZIP code · 5 water systems · Updated

ZipCheckup grade for Chino Valley: D.

Several federal signals point to home-safety risks in this ZIP.

Federal monitoring data for Chino Valley puts the city in AZ's lower safety tier - exceedances show up in multiple utility districts, several systems have met thresholds requiring public notification under the Safe Drinking Water Act, and the compliance deficit has persisted across more than one consecutive reporting cycle, with no clear reversal visible in the most recent data available.

How Chino Valley Compares

Chino Valley50/100
Arizona avg66/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
5
Water Systems
1
ZIPs with Violations
D · 50
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$350K
Median Home Value
$2,200
Est. Remediation (0.6% of home value)

What You Should Know About Chino Valley Water

  • Your city's water systems recorded 65 violations in the past 5 years.
  • Homes built before 1986: 26% - older plumbing may contain lead solder.
  • Estimated remediation: $2,200 per household.
  • CDC health risk index: 13.61 - above typical levels.

Who Supplies Your Water in Chino Valley

Chino Valley, AZ is covered by 3 major water utilities out of 5 federally tracked systems, each managing its own pipes, treatment processes, and EPA filings. What a household gets from the tap depends on which provider's system serves that address.

Overview

We track home safety data for 1 ZIP code in Chino Valley, Arizona, covering 5 community water systems serving approximately 19,297 people. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 2 health-based violations appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Chino Valley: D (50/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Chino Valley water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Revised Total Coliform Rule Microbiological 30 1
Surface Water Treatment Rule Treatment Technique 18 1
Barium Inorganic 10 1
Stage 1 DBP Rule Treatment Technique 10 1
Consumer Confidence Report Rule Reporting 6 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
86323 D 65 2 Chino Valley Town of

All ZIP Codes in Chino Valley

  • 86323 [D] - 65 violations ⚠

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Health Outcomes in Chino Valley

10.8%
Asthma (US: 9.8%)
12.1%
Diabetes (US: 10.4%)
13.8%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.8% ↑
Diabetes 12.1% ↑
Mental Health 13.8% ↓

Vertical line = national average. Above national · Below national

Top Contaminants in Chino Valley Water

Revised Total Coliform Rule 30 violations
Microbiological
Indicates possible bacterial contamination
Surface Water Treatment Rule 18 violations
Treatment Technique
Pathogens may not be adequately removed
Barium 10 violations
Inorganic · EPA limit: 2 mg/L
Increased blood pressure

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Housing & Infrastructure in Chino Valley

1993
Median Build Year
26%
Built Before 1986
3%
Built Before 1970
Copper
Likely Pipe Material

Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Newer construction dominates Chino Valley's residential inventory, as reflected in a median build year of 1993. The practical implication is that lead-soldered copper plumbing joints - a pre-1986 standard now federally prohibited - are an exception rather than the rule in this city, though they remain present in the older fraction of the housing stock.

1993
Median Year Built
26%
Pre-1986 (Lead Paint Risk)
3%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (3%) 1970–1986 (23%) Post-1986 (74%)

Most homes in Chino Valley were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

Cost Context: What Remediation Means for Chino Valley Homeowners

For most homeowners in Chino Valley, the estimated cost of water and safety remediation represents a proportionally modest share of what properties are worth - placing this area in the lower tier of the remediation share scale.

Median Home Value
$349,900
Est. Remediation
$2,200
Remediation as % of home value 0.6%

Remediation costs in Chino Valley are relatively low compared to home values. The $1,200–$3,400 estimated range is a small fraction of median property value. Home values are 14% above the Arizona average.

Lead Exposure Risk for Children in Chino Valley

26%
Homes Built Before 1986

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

In Chino Valley, the older-stock footprint runs at 26% - a contained slice - and aggregate utility readings land safely under the EPA action mark. That keeps lead off the local priority list, with a one-faucet draw remaining the only direct read on a specific address.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical NFIP Claim Context in Chino Valley

6
Total FEMA Flood Claims
$5,763
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Chino Valley contains 6 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $5,763. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$2,200</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

What You Can Do in Chino Valley

  1. Test your water at home. City-level data shows averages - your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
  2. Install a certified water filter. Filters rated for Revised Total Coliform Rule can reduce the most common contaminant found in Chino Valley's water.
  3. Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
  4. Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.

Frequently Asked Questions

What does the Home Safety Score mean for Chino Valley, AZ?
Chino Valley has an average Home Safety Score of 50/100 (Grade D) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 65 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Chino Valley have?
Chino Valley water systems have a total of 65 EPA violations, including 2 health-based violations. Violations are tracked across 1 ZIP code.
How does Chino Valley compare to Arizona average?
Chino Valley has an average Home Safety Score of 50/100, which is below the Arizona state average of 66/100 for the same model series.
How many water systems serve Chino Valley?
Chino Valley is served by 5 public water systems across 1 ZIP code, serving approximately 19,297 people.
How much does it cost to fix water issues in Chino Valley?
Estimated remediation costs in Chino Valley average $2,200 per household, ranging from $1,200 to $3,400. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesArizona → Chino Valley, AZ

How to cite this page

APA ZipCheckup. (2026). Chino Valley, AZ: PFAS Found in Water - Home Safety 50/100. https://zipcheckup.com/cities/az/chino-valley/
BibTeX
@misc{zipcheckup-cities-az-chino-valley,
  author = {{ZipCheckup}},
  title  = {{Chino Valley, AZ: PFAS Found in Water - Home Safety 50/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/az/chino-valley/}
}

Page version: August 2026.

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